2',7'-Dichlorofluorescein, pure

Supplier: Thermo Scientific Chemicals
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Synonyms: 2',7'-Dichloro-3',6'-dihydroxy-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one

19153-0050 19153-0250 19153-1000
TS19153-1000EA 1045 USD
TS19153-1000 TS19153-0250 TS19153-0050
2',7'-Dichlorofluorescein, pure
2',7'-Dichlorofluorescein
Formula: C₂₀H₁₀Cl₂O₅
MW: 401.20 g/mol
Melting Pt: 280 °C (dec.)
Density: 0.79 g/cm³
Storage Temperature: Ambient
MDL Number: MFCD00005047
CAS Number: 76-54-0
EINECS: 200-968-6

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Specification Test Results

Appearance Light orange to red-brown Powder
Infrared spectrum Conforms
Loss on drying ≤5 % (110°C)
UV Lambda max 501 to 503 nm (in 0.1 N NaOH)
Specific absorbance A (1%/1cm) ≥2000 (at lambda max.)

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